UPDATE: Here's a simple way either Hillary Clinton or Donald Trump could tackle the retirement-savings gap
UPDATE: How to retire early: A 5-step plan
UPDATE: How to retire early: A 5-step plan -2-
UPDATE: How to manage your 401(k)
Special presentation: Learn how 'cheaping out,' building in discipline, and other simple steps help successful investors get it done.
Financial planner Mark Balasa and Morningstar's Christine Benz and David Blanchett tackled viewers' most pressing retirement questions, from determining savings rates and income needs to planning for Social Security and maximizing retirement accounts .